Home / 268,905,681.80-403,358,522.70-166,869,009.80

Finding the Fourth Proportional to 268,905,681.80, 403,358,522.70 and 166,869,009.80

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Solution

The fourth proportional to 268,905,681.80, 403,358,522.70 and 166,869,009.80 is: 250,303,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,905,681.80 : 403,358,522.70 = 166,869,009.80 : x
  2. Step 2: Convert to fraction form
    268,905,681.80/403,358,522.70 = 166,869,009.80/x
  3. Step 3: Cross multiply
    268,905,681.80x = 403,358,522.70 × 166,869,009.80
  4. Step 4: Simplify right side
    268,905,681.80x = 67,308,037,277,339,824
  5. Step 5: Solve for x
    x = 67,308,037,277,339,824/268,905,681.80
  6. Step 6: Final answer
    x = 250,303,514.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.